20120210012086 has 4 divisors (see below), whose sum is σ = 30180315018132. Its totient is φ = 10060105006042.

The previous prime is 20120210012059. The next prime is 20120210012087. The reversal of 20120210012086 is 68021001202102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20120210012086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120210012087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030052503020 + ... + 5030052503023.

It is an arithmetic number, because the mean of its divisors is an integer number (7545078754533).

Almost surely, 2^{20120210012086} is an apocalyptic number.

20120210012086 is a deficient number, since it is larger than the sum of its proper divisors (10060105006046).

20120210012086 is a wasteful number, since it uses less digits than its factorization.

20120210012086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060105006045.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 20120210012086 its reverse (68021001202102), we get a palindrome (88141211214188).

The spelling of 20120210012086 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, twelve thousand, eighty-six".